Abstract
The catalytic, corrosion and sintering properties of Pt/C and Pt 3Ni1/C catalysts are evaluated using an accelerated durability test (ADT). The catalytic activity and dissolution rate of Ni from a Pt3Ni1/C alloy catalyst are estimated in the same time domain. A strong correlation exists between the amount of Ni dissolved and the oxygen reduction activity of the catalyst. To compare the sintering resistance of both the Pt/C and Pt3Ni1/C catalyst, the particle size of the catalysts before and after the ADT is measured by using transmission electron microscopy. The Pt3Ni1/C alloy, due to anchor effects in its structure, shows high sintering resistance.
| Original language | English |
|---|---|
| Pages (from-to) | 795-799 |
| Number of pages | 5 |
| Journal | Electrochemistry Communications |
| Volume | 6 |
| Issue number | 8 |
| DOIs | |
| Publication status | Published - 2004 Aug 1 |
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All Science Journal Classification (ASJC) codes
- Electrochemistry
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Durability study of Pt3Ni1 catalysts as cathode in PEM fuel cells. / Colón-Mercado, Héctor R.; Kim, Hansung; Popov, Branko N.
In: Electrochemistry Communications, Vol. 6, No. 8, 01.08.2004, p. 795-799.Research output: Contribution to journal › Article
TY - JOUR
T1 - Durability study of Pt3Ni1 catalysts as cathode in PEM fuel cells
AU - Colón-Mercado, Héctor R.
AU - Kim, Hansung
AU - Popov, Branko N.
PY - 2004/8/1
Y1 - 2004/8/1
N2 - The catalytic, corrosion and sintering properties of Pt/C and Pt 3Ni1/C catalysts are evaluated using an accelerated durability test (ADT). The catalytic activity and dissolution rate of Ni from a Pt3Ni1/C alloy catalyst are estimated in the same time domain. A strong correlation exists between the amount of Ni dissolved and the oxygen reduction activity of the catalyst. To compare the sintering resistance of both the Pt/C and Pt3Ni1/C catalyst, the particle size of the catalysts before and after the ADT is measured by using transmission electron microscopy. The Pt3Ni1/C alloy, due to anchor effects in its structure, shows high sintering resistance.
AB - The catalytic, corrosion and sintering properties of Pt/C and Pt 3Ni1/C catalysts are evaluated using an accelerated durability test (ADT). The catalytic activity and dissolution rate of Ni from a Pt3Ni1/C alloy catalyst are estimated in the same time domain. A strong correlation exists between the amount of Ni dissolved and the oxygen reduction activity of the catalyst. To compare the sintering resistance of both the Pt/C and Pt3Ni1/C catalyst, the particle size of the catalysts before and after the ADT is measured by using transmission electron microscopy. The Pt3Ni1/C alloy, due to anchor effects in its structure, shows high sintering resistance.
UR - http://www.scopus.com/inward/record.url?scp=4043065619&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=4043065619&partnerID=8YFLogxK
U2 - 10.1016/j.elecom.2004.05.028
DO - 10.1016/j.elecom.2004.05.028
M3 - Article
AN - SCOPUS:4043065619
VL - 6
SP - 795
EP - 799
JO - Electrochemistry Communications
JF - Electrochemistry Communications
SN - 1388-2481
IS - 8
ER -